{"product_id":"sea-dog-5021591-lower-unit-gear-lube-pump-adapter-8mm-125-thread","title":"Sea-Dog 5021591 Lower Unit Gear Lube Pump Adapter – 8mm-1.25 Thread (Yamaha Fit)","description":"\u003ch2\u003eSea-Dog 5021591 Lower Unit Gear Lube Pump Adapter – 8mm-1.25 Thread\u003c\/h2\u003e\u003cp\u003eA nylon and aluminum adapter that extends the compatibility of the Sea-Dog Lower Unit Standard Pump to outboard engines with an 8mm-1.25 threaded gear lube fill port. Designed to thread directly into the lower unit drain\/fill plug opening, this adapter connects to the standard pump’s flexible hose for clean, controlled gear lube changes without spills or mess.\u003c\/p\u003e\u003cp\u003eThe 8mm-1.25 thread pitch is the standard fitting for most Japanese-origin outboard engines, making this adapter an essential companion for servicing Yamaha, Nissan, Tohatsu, Honda, and Japanese-built Mercury outboards. The flexible hose on the pump allows access to fill ports in tight or awkward positions on the lower unit.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8mm-1.25 thread (this adapter):\u003c\/strong\u003e Yamaha, Nissan, Tohatsu, Honda, Mercury (Japanese origin models)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/8\"-16 thread (standard pump fitting, included on pump):\u003c\/strong\u003e MerCruiser, OMC, Evinrude, Johnson, Honda (70 hp \u0026amp; up), Volvo, Force, Mercury (US origin models), Gamefisher\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 5021591\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread pitch:\u003c\/strong\u003e 8mm-1.25\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Nylon \/ aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible pump:\u003c\/strong\u003e Sea-Dog 502150H1 Lower Unit Standard Pump\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e This adapter is the missing piece for boaters who own the \u003ca href=\"\/products\/seadog-502150h1-lower-unit-standard-pump\"\u003eSea-Dog 502150H1 Lower Unit Standard Pump\u003c\/a\u003e and need to service a Yamaha or other Japanese-origin outboard. The standard pump ships with a 3\/8\"-16 fitting that covers most US-origin engines — this adapter adds the 8mm-1.25 thread needed for the Japanese-origin engine lineup. If you’re servicing a mixed fleet of US and Japanese-origin outboards, keeping both fittings on hand means one pump covers all your lower units. Order the pump and adapter together to have a complete gear lube change kit ready to go.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51199651905572,"sku":"354-5021591","price":5.19,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/354-5021591_b9285278-c0d4-460d-91d0-6c61a426bcd3.jpg?v=1785611187","url":"https:\/\/marisolmarine.com\/products\/sea-dog-5021591-lower-unit-gear-lube-pump-adapter-8mm-125-thread","provider":"Marisol Marine Company","version":"1.0","type":"link"}